Find a rational function that satisfies the given conditions, Answer may very, but try to give the simplest answer possible.
a. Vertical asymptotes x = - 4, x = 5
b. Vertical asymptotes x = - 4, x = 5; horizontal asymptote y = 3/2, x-intercept (- 2, 0)
c. Oblique asymptote y = x - 1